Home / 4,228.52-5,831.46-2,899.88

Finding the Fourth Proportional to 4,228.52, 5,831.46 and 2,899.88

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Solution

The fourth proportional to 4,228.52, 5,831.46 and 2,899.88 is: 3,999.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228.52 : 5,831.46 = 2,899.88 : x
  2. Step 2: Convert to fraction form
    4,228.52/5,831.46 = 2,899.88/x
  3. Step 3: Cross multiply
    4,228.52x = 5,831.46 × 2,899.88
  4. Step 4: Simplify right side
    4,228.52x = 16,910,534.22
  5. Step 5: Solve for x
    x = 16,910,534.22/4,228.52
  6. Step 6: Final answer
    x = 3,999.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.